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Identity Manager 9.0 LTS - Configuration Guide

About this guide One Identity Manager software architecture Customizing the One Identity Manager default configuration Customizing the One Identity Manager base configuration One Identity Manager schema basics Editing the user interface
Object definitions for the user interface User interface navigation Forms for the user interface Statistics in One Identity Manager Extending the Launchpad Task definitions for the user interface Applications for configuring the user interface Icons and images for configuring the user interface Using predefined database queries
Localization in One Identity Manager Process orchestration in One Identity Manager
Mapping processes in One Identity Manager Setting up Job servers
The One Identity Manager Service functionality Tracking changes with process monitoring Conditional compilation using preprocessor conditions Scripts in One Identity Manager
Visual Basic .NET scripts usage Notes on message output Notes on using date values Tips for using Windows PowerShell scripts Using dollar ($) notation Using base objects Calling functions Pre-scripts for use in processes and process steps Using session services Using #LD-notation Script library Support for processing scripts in the Script Editor Creating and editing scripts in the Script Editor Copying scripts in the Script Editor Testing scripts in the Script Editor Testing script compilation in the Script Editor Overriding scripts Permissions for running scripts Editing and testing script code with the System Debugger Extended debugging in the Object Browser
One Identity Manager query language Reports in One Identity Manager Adding custom tables or columns to the One Identity Manager schema Web service integration One Identity Manager as SCIM 2.0 service provider Processing DBQueue tasks One Identity Manager Service configuration files

DBQueue Processor configuration for test, development, or productive environments

You use the staging level of the One Identity Manager database to specify whether the database is a test database, development database, or a live database. A number of database settings are controlled by the staging level.

If you change the database's staging level, the following settings are configured.

Table 185: Default settings for development, test, and live environments

Setting

Development environment Test environment Live environment

Maximum DBQueue Processor runtime

20 minutes

40 minutes

120 minutes

Maximum number of slots for the DBQueue Processor

5

7

Maximum number of slots according to the hardware configuration

The DBQueue Processor default configuration settings are configured for normal operation and do not normally need to be modified.

If several databases are operating in a managed instance in the Azure SQL Database, you can fix the number of slots. In the Designer, adjust the following configuration parameters.

  • QBM | DBServerAgent | CountSlotAgents: Exact number of slots. If the configuration parameter is set, the given number of slots are always set up. There is no internal calculation of the number of slots based on the hardware configuration. Changing the server's configuration has no effect. The value 15 is recommended.

    NOTE: This configuration parameter is not recommended for implementing a database on an SQL Server. For implementing a database on an SQL Server, it is standard practice to use the hardware configuration to determine the slots.

The configuration settings are reduced for test environments and development environments because several databases may be located on a server. If it is necessary to change the settings for test environments or development environments for reasons of performance, you must modify the following configuration parameter settings in the Designer.

  • QBM | DBQueue | CountSlotsMax: Maximum number of slots to be used.

    Use this configuration parameter to reduce the number of slots if required. Values lower than 5 are not permitted.

    Exception: Enter a value of 0 for using the maximum number of slots available based on the hardware configuration.

  • QBM | DBQueue | KeepAlive: Maximum runtime of the central dispatcher. Tasks on slots currently in use are still processed when the timeout expires. Then the slot are stopped and the central dispatcher exits.

    The lowest permitted value for runtime is 5 minutes; the maximum permitted value is 720 minutes.

Related topics

Configuring notification behavior for DBQueue Processor initialization

If errors occur during initialization of the DBQueue Processor, messages are written to the application log. You can use the results display in the Microsoft Management Console, for example, to view the application log.

Use the QBM | DBServerAgent | CreateNotification configuration parameter to configure in which cases error messages are written to the application log. In the Designer, you can modify the configuration parameter as required.

Permitted values are:

  • 0: No logging.

  • 1: Only success messages are logged.

  • 2: Only error messages are logged.

  • 3: All messages are logged.

Reinitializing the DBQueue Processor

IMPORTANT: Select a user that you use for migrating the database to run the SQL queries.

  • You must run the QBM_PDBQueuePrepare procedure once manually when the server hardware has been extended and when custom DBQueue Processor tasks have been created.

  • You must run the QBM_PDBQueuePrepare and QBM_PWatchDogPrepare procedures once when you set up a reference database for test and development.

    Use a suitable program for running SQL queries to run the following procedures in the reference database just once.

    exec QBM_PWatchDogPrepare

    exec QBM_PDBQueuePrepare 0,1

Bulk processing in the DBQueue Processor

Table 186: Configuration parameter for bulk processing in the DBQueue Processor
Configuration parameter Meaning

QBM | DBQueue | DefaultRuntime

The configuration parameter species how the length of the DBQueue Processor run. The default value is 90 seconds.

QBM | DBQueue | ChangeLimitMin

The configuration parameter defines the lower limit for modifications (insert, change, or delete) within a single operation. The default value is 3000.

QBM | DBQueue | ChangeLimitMax

The configuration parameter defines the upper limit for modifications (insert, change, or delete) within a single operation. The default value is 50000.

Some DBQueue Processor procedures are marked for bulk processing to reduce the total time required for processing DBQueue tasks. If a lot of entries are marked for bulk processing in the DBQueue, the DBQueue Processor switches from single to bulk processing.

There is a mechanism implemented that is used to decide whether switching to bulk processing as opposed to single processing would result in time savings. To do this, 25 single task processes are run and the processing time is recorded. All other entries for the task are processed in bulk and the minimum and maximum load time required for advantageous bulk processing is defined. A self optimizing calculation procedure updates the load times. Use of this method means that the DBQueue Processor must first stabilize, especially after an initial schema installation or after system modifications such as memory expansion in the database server.

You can use the QBM | DBQueue | DefaultRuntime configuration parameter to specify the length of the DBQueue Processor run. The default value is 90 seconds. This corresponds to the time period that achieves the best load for the calculation procedure.

To prevent overloading when there is large amount of data, you can define limits for the result set. Control is realized using the QBM | DBQueue | ChangeLimitMin and QBM | DBQueue | ChangeLimitMax configuration parameters.

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